Pyramid of Khafre

Pyramid of Khafre
M1chu · CC BY-SA 3.0 · source
Name	Pyramid of Khafre
Caption	The Pyramid of Khafre, with its preserved limestone casing at the apex, dominates the Giza pyramid complex.
Location	Giza Plateau, Egypt
Region	Lower Egypt
Coordinates	29, 58, 34, N...
Built	c. 2570 BC (4th Dynasty)
Builder	Pharaoh Khafre
Type	True pyramid
Height	136.4 m (original) 136.4 m (current)
Base	215.25 m
Volume	2,211,096 m3
Slope	53°10'

Pyramid of Khafre. The second-tallest and second-largest of the Pyramids of Giza, it was built as the eternal resting place for the Fourth Dynasty pharaoh Khafre around 2570 BCE. It appears taller than the adjacent Great Pyramid of Giza due to its construction on a higher bedrock foundation and the partial preservation of its original smooth Tura limestone casing at the apex. The structure is a central component of a vast funerary complex that includes the iconic Great Sphinx of Giza and a monumental Valley Temple.

History and construction

The pyramid was commissioned by Khafre, a son of Khufu, who succeeded his brother Djedefre to the throne. Its construction during the zenith of the Old Kingdom utilized advanced engineering techniques refined from the building of the Great Pyramid of Giza. Quarrying for its core blocks likely utilized local Giza Plateau limestone, while fine Tura limestone was transported across the Nile River for the outer casing. The project required immense logistical coordination, managed by the centralized administration of the Pharaoh, and was part of a broader architectural program to solidify royal authority. The workforce, as evidenced by nearby worker settlements like those at Heit el-Ghurab, consisted of skilled laborers and rotating crews of conscripted farmers.

Description and dimensions

The pyramid originally stood approximately 143.5 meters tall with a base length of 215.25 meters, creating a slope angle of 53 degrees 10 minutes. Its core is composed of large, locally quarried limestone blocks, often roughly shaped and set in horizontal courses. The most distinctive visual feature is the remaining cap of polished Tura limestone casing stones at its summit, which once sheathed the entire structure. This casing, along with the pyramid's elevated position, creates the optical illusion of it surpassing the nearby Great Pyramid of Giza in height. The precision of its alignment to the cardinal directions rivals that of other major pyramids, demonstrating the sophisticated astronomical knowledge of its builders.

Interior and substructure

The internal layout is less complex than that of the Great Pyramid of Giza. Two entrances on the north face, one opening directly into the bedrock and another higher up in the masonry, lead to a descending passageway. This corridor levels out and connects to a horizontal passage that accesses the main burial chamber. This chamber, carved partly from the bedrock and roofed with gabled limestone beams, is oriented east-west and once housed the pharaoh's sarcophagus. A subsidiary chamber, possibly a serdab or storage room, is located near the burial chamber. The entire substructure is notably devoid of the elaborate relieving chambers or grand galleries found in earlier pyramids.

Associated complex

The pyramid was the focal point of a meticulously planned ritual complex. A causeway connected it to the monumental Valley Temple, a structure built from massive blocks of Aswan granite and alabaster where the initial Mummification rites were performed. This temple is directly linked to the Great Sphinx of Giza, which bears the likeness of Khafre and is believed to be part of the same architectural vision. On the east side of the pyramid sits the ruined Mortuary temple, where daily cult offerings for the king's ka were made. Five large pits for ritual boats and a perimeter wall enclosing subsidiary pyramids for royal family members completed the sacred precinct.

Modern exploration and tourism

Early documented investigations include those by Giovanni Battista Caviglia in the early 19th century and more systematic work by John Shae Perring and Richard William Howard Vyse. Auguste Mariette conducted significant excavations at the associated Valley Temple in the 1850s. The site is now a cornerstone of Egyptian tourism and is part of the UNESCO World Heritage Site designated for the Memphis and its Necropolis area. Ongoing conservation efforts by the Egyptian Ministry of Tourism and Antiquities and international teams focus on mitigating environmental damage and structural monitoring. The pyramid remains a subject of archaeological study, with recent non-invasive surveys using technologies like muon tomography aiming to detect potential unknown voids within its mass.